| CPU2006 license: | 11 | Test date: | Apr-2011 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | May-2011 |
| Tested by: | IBM Corporation | Software Availability: | Jan-2011 |
| Hardware | |
|---|---|
| CPU Name: | Intel Xeon E7-2820 |
| CPU Characteristics: | Intel Turbo Boost Technology up to 2.27 GHz |
| CPU MHz: | 2000 |
| FPU: | Integrated |
| CPU(s) enabled: | 16 cores, 2 chips, 8 cores/chip, 2 threads/core |
| CPU(s) orderable: | 1,2 chips |
| Primary Cache: | 32 KB I + 32 KB D on chip per core |
| Secondary Cache: | 256 KB I+D on chip per core |
| L3 Cache: | 18 MB I+D on chip per chip |
| Other Cache: | None |
| Memory: | 256 GB (32 x 8 GB 4Rx8 PC3-8500R-7, ECC, running at 978 MHz) |
| Disk Subsystem: | 1 x 300 GB SAS, 10000 RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | SUSE Linux Enterprise Server 11 SP1 (x86_64), Kernel 2.6.32.12-0.7-default |
| Compiler: | Intel C++ Intel 64 Compiler XE for applications running on Intel 64 Version 12.0.1.116 Build 20101116 |
| Auto Parallel: | Yes |
| File System: | ext3 |
| System State: | Run level 3 (multi-user) |
| Base Pointers: | 32/64-bit |
| Peak Pointers: | 32/64-bit |
| Other Software: | Microquill SmartHeap V9.01 |
Results Table
| Benchmark | Base | Peak | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | |
| Results appear in the order in which they were run. Bold underlined text indicates a median measurement. | ||||||||||||
| 400.perlbench | 556 | 17.6 | 563 | 17.4 | 546 | 17.9 | 487 | 20.0 | 482 | 20.3 | 485 | 20.1 |
| 401.bzip2 | 731 | 13.2 | 733 | 13.2 | 734 | 13.1 | 693 | 13.9 | 693 | 13.9 | 700 | 13.8 |
| 403.gcc | 500 | 16.1 | 496 | 16.2 | 500 | 16.1 | 443 | 18.2 | 443 | 18.2 | 443 | 18.2 |
| 429.mcf | 302 | 30.2 | 307 | 29.7 | 305 | 29.9 | 271 | 33.6 | 274 | 33.3 | 271 | 33.6 |
| 445.gobmk | 655 | 16.0 | 649 | 16.2 | 655 | 16.0 | 711 | 14.7 | 609 | 17.2 | 613 | 17.1 |
| 456.hmmer | 293 | 31.8 | 293 | 31.8 | 290 | 32.2 | 284 | 32.8 | 288 | 32.4 | 287 | 32.5 |
| 458.sjeng | 686 | 17.6 | 686 | 17.6 | 686 | 17.6 | 667 | 18.2 | 669 | 18.1 | 667 | 18.1 |
| 462.libquantum | 25.1 | 824 | 33.4 | 621 | 24.9 | 830 | 25.1 | 824 | 33.4 | 621 | 24.9 | 830 |
| 464.h264ref | 882 | 25.1 | 891 | 24.8 | 881 | 25.1 | 794 | 27.9 | 799 | 27.7 | 792 | 27.9 |
| 471.omnetpp | 478 | 13.1 | 506 | 12.3 | 410 | 15.2 | 322 | 19.4 | 315 | 19.9 | 315 | 19.9 |
| 473.astar | 426 | 16.5 | 433 | 16.2 | 420 | 16.7 | 426 | 16.5 | 433 | 16.2 | 420 | 16.7 |
| 483.xalancbmk | 267 | 25.8 | 269 | 25.7 | 261 | 26.4 | 267 | 25.8 | 269 | 25.7 | 261 | 26.4 |
Operating System Notes
'ulimit -s unlimited' was used to set the stacksize to unlimited 'nodev /mnt/hugepages hugetlbfs defaults 0 0' added to /etc/fstab echo 900 > /proc/sys/vm/nr_hugepages export HUGETLB_MORECORE=yes export LD_PRELOAD=/usr/lib64/libhugetlbfs.so
Platform Notes
Load Default BIOS Settings and then change the following Turbo Boost set to Traditional
General Notes
OMP_NUM_THREADS set to number of cores Binaries compiled on RHEL 5.5
Base Portability Flags
| 400.perlbench: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX_X64 |
| 401.bzip2: | -DSPEC_CPU_LP64 |
| 403.gcc: | -DSPEC_CPU_LP64 |
| 429.mcf: | -DSPEC_CPU_LP64 |
| 445.gobmk: | -DSPEC_CPU_LP64 |
| 456.hmmer: | -DSPEC_CPU_LP64 |
| 458.sjeng: | -DSPEC_CPU_LP64 |
| 462.libquantum: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX |
| 464.h264ref: | -DSPEC_CPU_LP64 |
| 471.omnetpp: | -DSPEC_CPU_LP64 |
| 473.astar: | -DSPEC_CPU_LP64 |
| 483.xalancbmk: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX |
Base Optimization Flags
C benchmarks:
| -xSSE4.2 -ipo -O3 -no-prec-div -parallel -opt-prefetch -auto-p32 -B /usr/share/libhugetlbfs/ -Wl,-melf_x86_64 -Wl,-hugetlbfs-link=BDT |
C++ benchmarks:
| -xSSE4.2 -ipo -O3 -no-prec-div -opt-prefetch -Wl,-z,muldefs -L/smartheap -lsmartheap64 -B /usr/share/libhugetlbfs/ -Wl,-melf_x86_64 -Wl,-hugetlbfs-link=BDT |
Peak Compiler Invocation
C benchmarks (except as noted below):
| icc -m64 | |
| 400.perlbench: | icc -m32 |
| 429.mcf: | icc -m32 |
| 445.gobmk: | icc -m32 |
| 464.h264ref: | icc -m32 |
C++ benchmarks (except as noted below):
| icpc -m64 | |
| 471.omnetpp: | icpc -m32 |
Peak Portability Flags
| 400.perlbench: | -DSPEC_CPU_LINUX_IA32 |
| 401.bzip2: | -DSPEC_CPU_LP64 |
| 403.gcc: | -DSPEC_CPU_LP64 |
| 456.hmmer: | -DSPEC_CPU_LP64 |
| 458.sjeng: | -DSPEC_CPU_LP64 |
| 462.libquantum: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX |
| 473.astar: | -DSPEC_CPU_LP64 |
| 483.xalancbmk: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX |
Peak Optimization Flags
C benchmarks:
C++ benchmarks:
| 471.omnetpp: | -xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -opt-ra-region-strategy=block -ansi-alias -Wl,-z,muldefs -L/smartheap -lsmartheap -B /usr/share/libhugetlbfs/ -Wl,-hugetlbfs-link=BDT |
| 473.astar: | basepeak = yes |
| 483.xalancbmk: | basepeak = yes |